/* * Copyright © 2011 Kristian Høgsberg * Copyright © 2011 Benjamin Franzke * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * * Authors: * Kristian Høgsberg * Benjamin Franzke */ #include #include #include #include #include #include #include "wayland-drm.h" #include "wayland-drm-server-protocol.h" #define MIN(x,y) (((x)<(y))?(x):(y)) struct wl_drm { struct wl_display *display; struct wl_global *wl_drm_global; void *user_data; char *device_name; uint32_t flags; struct wayland_drm_callbacks callbacks; struct wl_buffer_interface buffer_interface; }; static void destroy_buffer(struct wl_resource *resource) { struct wl_drm_buffer *buffer = wl_resource_get_user_data(resource); struct wl_drm *drm = buffer->drm; drm->callbacks.release_buffer(drm->user_data, buffer); free(buffer); } static void buffer_destroy(struct wl_client *client, struct wl_resource *resource) { wl_resource_destroy(resource); } static void create_buffer(struct wl_client *client, struct wl_resource *resource, uint32_t id, uint32_t name, int fd, int32_t width, int32_t height, uint32_t format, int32_t offset0, int32_t stride0, int32_t offset1, int32_t stride1, int32_t offset2, int32_t stride2) { struct wl_drm *drm = wl_resource_get_user_data(resource); struct wl_drm_buffer *buffer; buffer = calloc(1, sizeof *buffer); if (buffer == NULL) { wl_resource_post_no_memory(resource); return; } buffer->drm = drm; buffer->width = width; buffer->height = height; buffer->format = format; buffer->offset[0] = offset0; buffer->stride[0] = stride0; buffer->offset[1] = offset1; buffer->stride[1] = stride1; buffer->offset[2] = offset2; buffer->stride[2] = stride2; drm->callbacks.reference_buffer(drm->user_data, name, fd, buffer); if (buffer->driver_buffer == NULL) { wl_resource_post_error(resource, WL_DRM_ERROR_INVALID_NAME, "invalid name"); return; } buffer->resource = wl_resource_create(client, &wl_buffer_interface, 1, id); if (!buffer->resource) { wl_resource_post_no_memory(resource); free(buffer); return; } wl_resource_set_implementation(buffer->resource, (void (**)(void)) &drm->buffer_interface, buffer, destroy_buffer); } static void drm_create_buffer(struct wl_client *client, struct wl_resource *resource, uint32_t id, uint32_t name, int32_t width, int32_t height, uint32_t stride, uint32_t format) { switch (format) { case WL_DRM_FORMAT_ARGB8888: case WL_DRM_FORMAT_XRGB8888: case WL_DRM_FORMAT_YUYV: case WL_DRM_FORMAT_RGB565: break; default: wl_resource_post_error(resource, WL_DRM_ERROR_INVALID_FORMAT, "invalid format"); return; } create_buffer(client, resource, id, name, -1, width, height, format, 0, stride, 0, 0, 0, 0); } static void drm_create_planar_buffer(struct wl_client *client, struct wl_resource *resource, uint32_t id, uint32_t name, int32_t width, int32_t height, uint32_t format, int32_t offset0, int32_t stride0, int32_t offset1, int32_t stride1, int32_t offset2, int32_t stride2) { switch (format) { case WL_DRM_FORMAT_YUV410: case WL_DRM_FORMAT_YUV411: case WL_DRM_FORMAT_YUV420: case WL_DRM_FORMAT_YUV422: case WL_DRM_FORMAT_YUV444: case WL_DRM_FORMAT_NV12: case WL_DRM_FORMAT_NV16: break; default: wl_resource_post_error(resource, WL_DRM_ERROR_INVALID_FORMAT, "invalid format"); return; } create_buffer(client, resource, id, name, -1, width, height, format, offset0, stride0, offset1, stride1, offset2, stride2); } static void drm_create_prime_buffer(struct wl_client *client, struct wl_resource *resource, uint32_t id, int fd, int32_t width, int32_t height, uint32_t format, int32_t offset0, int32_t stride0, int32_t offset1, int32_t stride1, int32_t offset2, int32_t stride2) { create_buffer(client, resource, id, 0, fd, width, height, format, offset0, stride0, offset1, stride1, offset2, stride2); close(fd); } static void drm_authenticate(struct wl_client *client, struct wl_resource *resource, uint32_t id) { struct wl_drm *drm = wl_resource_get_user_data(resource); if (drm->callbacks.authenticate(drm->user_data, id) < 0) wl_resource_post_error(resource, WL_DRM_ERROR_AUTHENTICATE_FAIL, "authenicate failed"); else wl_resource_post_event(resource, WL_DRM_AUTHENTICATED); } static const struct wl_drm_interface drm_interface = { drm_authenticate, drm_create_buffer, drm_create_planar_buffer, drm_create_prime_buffer }; static void bind_drm(struct wl_client *client, void *data, uint32_t version, uint32_t id) { struct wl_drm *drm = data; struct wl_resource *resource; uint32_t capabilities; resource = wl_resource_create(client, &wl_drm_interface, MIN(version, 2), id); if (!resource) { wl_client_post_no_memory(client); return; } wl_resource_set_implementation(resource, &drm_interface, data, NULL); wl_resource_post_event(resource, WL_DRM_DEVICE, drm->device_name); wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_ARGB8888); wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_XRGB8888); wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_RGB565); wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUV410); wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUV411); wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUV420); wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUV422); wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUV444); wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_NV12); wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_NV16); wl_resource_post_event(resource, WL_DRM_FORMAT, WL_DRM_FORMAT_YUYV); capabilities = 0; if (drm->flags & WAYLAND_DRM_PRIME) capabilities |= WL_DRM_CAPABILITY_PRIME; if (version >= 2) wl_resource_post_event(resource, WL_DRM_CAPABILITIES, capabilities); } struct wl_drm_buffer * wayland_drm_buffer_get(struct wl_drm *drm, struct wl_resource *resource) { if (resource == NULL) return NULL; if (wl_resource_instance_of(resource, &wl_buffer_interface, &drm->buffer_interface)) return wl_resource_get_user_data(resource); else return NULL; } struct wl_drm * wayland_drm_init(struct wl_display *display, char *device_name, const struct wayland_drm_callbacks *callbacks, void *user_data, uint32_t flags) { struct wl_drm *drm; drm = malloc(sizeof *drm); if (!drm) return NULL; drm->display = display; drm->device_name = strdup(device_name); drm->callbacks = *callbacks; drm->user_data = user_data; drm->flags = flags; drm->buffer_interface.destroy = buffer_destroy; drm->wl_drm_global = wl_global_create(display, &wl_drm_interface, 2, drm, bind_drm); return drm; } void wayland_drm_uninit(struct wl_drm *drm) { free(drm->device_name); wl_global_destroy(drm->wl_drm_global); free(drm); }